매우 훌륭하거나 인상적이며 효과적인, 혹은 강력하고 흥미진진한 성질을 가진.
Extremely good, impressive, or effective; having a powerful or exciting quality.
예문:
"The band played a kickass set that had the whole crowd dancing."
"She gave a kickass presentation that convinced the board to approve the project."
"I need a kickass outfit for the party tonight."